90302464 has 48 divisors (see below), whose sum is σ = 206388000. Its totient is φ = 38694912.

The previous prime is 90302447. The next prime is 90302479. The reversal of 90302464 is 46420309.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11187 + ... + 17485.

It is an arithmetic number, because the mean of its divisors is an integer number (4299750).

Almost surely, 2^90302464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90302464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103194000).

90302464 is an abundant number, since it is smaller than the sum of its proper divisors (116085536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90302464 is an equidigital number, since it uses as much as digits as its factorization.

90302464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328 (or 6308 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 90302464 is about 9502.7608619811. The cubic root of 90302464 is about 448.6419368755.

The spelling of 90302464 in words is "ninety million, three hundred two thousand, four hundred sixty-four".